// Copyright 2024 The langsvr Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "langsvr/lsp/decode.h"

namespace langsvr::lsp {

Result<SuccessType> Decode(const json::Value& v, Null&) {
    return v.Null();
}

Result<SuccessType> Decode(const json::Value& v, Boolean& out) {
    auto res = v.Bool();
    if (res == Success) [[likely]] {
        out = res.Get();
        return Success;
    }
    return res.Failure();
}

Result<SuccessType> Decode(const json::Value& v, Integer& out) {
    auto res = v.I64();
    if (res == Success) [[likely]] {
        out = res.Get();
        return Success;
    }
    return res.Failure();
}

Result<SuccessType> Decode(const json::Value& v, Uinteger& out) {
    auto res = v.U64();
    if (res == Success) [[likely]] {
        out = res.Get();
        return Success;
    }
    return res.Failure();
}

Result<SuccessType> Decode(const json::Value& v, Decimal& out) {
    auto res = v.F64();
    if (res == Success) [[likely]] {
        out = res.Get();
        return Success;
    }
    return res.Failure();
}

Result<SuccessType> Decode(const json::Value& v, String& out) {
    auto res = v.String();
    if (res == Success) [[likely]] {
        out = res.Get();
        return Success;
    }
    return res.Failure();
}

}  // namespace langsvr::lsp
